Between January 23 and 29, the department administered 2,208 tests, resulting in 33 new positive tests.
Penn State checked in at No. 6 in the preseason poll.
Penn State couldn't handle a second-half surge from Wisconsin on Tuesday night.
Mac O'Keefe, Nick Cardile, Gerard Arceri, and Jack Kelly were all recognized by Inside Lacrosse.
The Nittany Lions kick off their season against Michigan on February 26.
"We've never been good when we're just a one-trick pony."